| NS方程中耦合转捩判断的风力机翼型气动力数值模拟 |
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| 引用本文： | 樊鹏飞,宋文萍.NS方程中耦合转捩判断的风力机翼型气动力数值模拟[J].航空计算技术,2010,40(3). |
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| 作者姓名： | 樊鹏飞 宋文萍 |
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| 作者单位： | 西北工业大学翼型、叶栅空气动力学国防科技重点实验室,陕西,西安,710072 |
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| 摘 要： | 在Reynolds-Averaged Navier-Stokes(RANS)方程计算中耦合Michel经验判据和Chen-Thy-son转捩模型对风力机翼型S809进行计算。由RANS方程求得翼型表面压力分布作为层流边界层方程求解的输入参数,然后使用Michel经验判据分析判断层流边界层的解得到转捩点的位置,使用Chen-Thyson转捩模型得到从层流到湍流的转捩过渡区,这样随着流场的迭代求解,求解器自动更新判断出转捩点位置。对S809翼型进行全湍流和耦合转捩判断的RANS方程计算,可以看到考虑转捩判断后得到的升阻力系数与实验值吻合较好,验证了方法的可行性。
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| 关 键 词： | 转捩判断 Michel经验判据 Chen-Thyson转捩模型 S809 |
Aerodynamics Numerical Simulation of the Wind Turbine Airfoil in NS Equations with Transition Estimation |
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| FAN Peng-fei,SONG Wen-ping.Aerodynamics Numerical Simulation of the Wind Turbine Airfoil in NS Equations with Transition Estimation[J].Aeronautical Computer Technique,2010,40(3). |
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| Authors: | FAN Peng-fei SONG Wen-ping |
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| Institution: | FAN Peng-fei; SONG Wen-ping ( National Key Laboratory of Science and Technology Aerodynamic Design and Research; Northwest Polytechnical University; Xi′an 710072; China); |
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| Abstract: | In this paper,Michel experience criterion and Chen-Thyson transition intermittent model are introduced into the the RANS equations to calculate S809 airfoil. The surface pressure of the airfoil which is got by RANS equations calculation is used as the parameters of the laminar boundary equations calculation. Michel experience criterion is used to calculate the transition location in the boundary and Chen-thyson transition intermittent model is used to build the transition from laminar to turbulence. The tra... |
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| Keywords: | S809 |
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